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Finding the Fourth Proportional to 56,363.96, 84,582.84 and 21,303.64

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Solution

The fourth proportional to 56,363.96, 84,582.84 and 21,303.64 is: 31,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.96 : 84,582.84 = 21,303.64 : x
  2. Step 2: Convert to fraction form
    56,363.96/84,582.84 = 21,303.64/x
  3. Step 3: Cross multiply
    56,363.96x = 84,582.84 × 21,303.64
  4. Step 4: Simplify right side
    56,363.96x = 1,801,922,373.54
  5. Step 5: Solve for x
    x = 1,801,922,373.54/56,363.96
  6. Step 6: Final answer
    x = 31,969.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.